{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94777",
    "entityType": "User",
    "nonce": "0x594a6f9f82ffd10f93867954a257efb33cc6598699f360131f66fcc13189b9be",
    "signature": "0x7b31105d915adc9a4a75c561a1f0df6211f947c2463b6144f606cf8c411c33317c224d0557883258c90d15146518efa8f42fef284190d4c3856f76cd6e5acee71c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}